Description
There is nothing else on the market that runs quite like a KRISS Vector. Instead of a bolt that slams straight back at your shoulder, the Super V system sends its recoiling mass down and behind the magazine well, working against muzzle rise instead of feeding it. Pair that with a bore axis that sits about as low as physics allows, roughly in line with your second knuckle, and you get a 9mm carbine that stays remarkably flat through fast strings. The first time you run a plate rack with one, it clicks. The CRB G3 puts all of that into a 16 inch rifle configuration with a fixed stock, and it feeds from full size Glock pattern mags, which means spare magazines are cheap, everywhere, and probably already in your range bag.
What Gen 3 Changes on the Vector CRB
The third generation gets meaningful updates over earlier Vectors. The square-profile barrel shroud now carries M-LOK slots on the sides and bottom for lights and hand stops, and a full length Picatinny top rail gives you plenty of room for a red dot or low power scope alongside the included flip-up front and rear sights. The lower housing was reshaped with better texture around the mag well for improved support hand purchase, and the skeletonized trigger runs a short 0.7mm of pre-travel. Controls are set up ambidextrous, including the short throw safety lever and the magazine release, and the pistol grip swaps with standard AR-15 grips if you have a favorite.
Living With the Vector CRB G3
The 16 inch 4140 chrome moly barrel wears a Black Nitride finish and comes threaded 1/2×28, so adding a muzzle device is simple. Overall length lands at 35.37 inches with a weight of 7.7 pounds, and the closed bolt, delayed blowback action runs clean and consistent with quality 9mm ammo. Takedown is a four-pin, tool-free affair, so cleaning after a long range day takes minutes. Whether you are shooting PCC matches, ringing steel, or just want the most distinctive 9mm carbine in the safe, the Vector CRB G3 delivers a shooting experience you will not find anywhere else. One 10 round magazine ships in the box.
Key Specifications
- Manufacturer Part Number: KV903CBL03
- UPC: 811607039986
- Caliber: 9mm Luger
- Action: Semi-Auto, Closed Bolt Delayed Blowback (Super V System)
- Barrel Length: 16 in
- Barrel Material / Finish: 4140 Chrome Moly, Black Nitride (QPQ)
- Muzzle Threading: 1/2×28 RH
- Capacity: 10+1
- Magazine Compatibility: Full size Glock pattern 9mm magazines
- Overall Length: 35.37 in
- Weight: 7.7 lbs
- Stock: KRISS Fixed Stock
- Sights: Flip-Up Front and Rear, Adjustable
- Handguard: Gen 3 Square Shroud with M-LOK Slots
- Safety: Ambidextrous Short Throw Safety Lever
- Finish: Black
What’s Included
- KRISS Vector CRB G3 9mm carbine
- One 10-round Glock pattern magazine
- Flip-up front and rear sights (installed)
- Owner's manual
Frequently Asked Questions
What magazines does the KRISS Vector CRB G3 use?
It feeds from full size Glock pattern 9mm magazines and ships with one 10-round mag. That is a big practical advantage since Glock mags are affordable and easy to find just about anywhere. If you already run a Glock 17, your mags will drop right in.
Does the Vector CRB G3 really reduce recoil?
The Super V system uses a bolt assembly that travels down and back behind the mag well, counteracting muzzle rise instead of driving straight into your shoulder. Combined with the extremely low bore axis, the result is a very flat-shooting 9mm carbine. Recoil in 9mm is mild to begin with, but the Vector is noticeably quicker back on target than most blowback carbines.
Can I mount an optic and a suppressor on the Vector CRB G3?
Yes on both counts. The full length Picatinny top rail handles red dots, magnifiers, or low power scopes, and the flip-up irons fold out of the way. The 16 inch barrel is threaded 1/2×28, the standard pitch for 9mm muzzle devices and suppressor mounts.
What is different about the Gen 3 Vector compared to Gen 2?
Gen 3 brings a redesigned square barrel shroud with M-LOK slots, a low profile upper housing, an updated bolt release and mounting block, and a reshaped lower with improved texturing around the mag well. The skeletonized trigger has a short 0.7mm pre-travel, and the mag release is ambidextrous. It also keeps the tool-free four-pin disassembly for easy cleaning.





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